/**
gcc srs_publish.c ../../objs/lib/srs_librtmp.a -g -O0 -lstdc++ -o srs_publish
*/

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "../../src/rtmp/srs_librtmp.hpp"

int main(int argc, char** argv) {
    printf("publish rtmp stream to server like FMLE/FFMPEG/Encoder\n");
    printf("srs(ossrs) client librtmp library.\n");
    printf("version: %d.%d.%d\n", srs_version_major(), srs_version_minor(), srs_version_revision());

    if (argc <= 1) {
        printf("Usage: %s <rtmp_url>\n"
               "   rtmp_url     RTMP stream url to publish\n"
               "For example:\n"
               "   %s rtmp://127.0.0.1:1935/live/livestream\n",
               argv[0], argv[0]);
        exit(-1);
    }

    // warn it .
    srs_human_trace("\033[33m%s\033[0m",
                    "[warning] it's only a sample to use librtmp. "
                    "please never use it to publish and test forward/transcode/edge/HLS whatever. "
                    "you should refer to this tool to use the srs-librtmp to publish the real media stream."
                    "read about: https://github.com/ossrs/srs/issues/126");
    srs_human_trace("rtmp url: %s", argv[1]);
    srs_rtmp_t rtmp = srs_rtmp_create(argv[1]);

    if (srs_rtmp_handshake(rtmp) != 0) {
        srs_human_trace("simple handshake failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("simple handshake success");

    if (srs_rtmp_connect_app(rtmp) != 0) {
        srs_human_trace("connect vhost/app failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("connect vhost/app success");

    if (srs_rtmp_publish_stream(rtmp) != 0) {
        srs_human_trace("publish stream failed.");
        goto rtmp_destroy;
    }
    srs_human_trace("publish stream success");

    u_int32_t timestamp = 0;
    for (;;) {
        char type = SRS_RTMP_TYPE_VIDEO;
        int size = 4096;
        char* data = (char*)malloc(4096);

        timestamp += 40;

        if (srs_rtmp_write_packet(rtmp, type, timestamp, data, size) != 0) {
            goto rtmp_destroy;
        }
        srs_human_trace("sent packet: type=%s, time=%d, size=%d",
                        srs_human_flv_tag_type2string(type), timestamp, size);

        usleep(40 * 1000);
    }

rtmp_destroy:
    srs_rtmp_destroy(rtmp);

    return 0;
}
